<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<script type="text/javascript">
			// 1.箭头函数不作为构造函数
			let fn = ()=>{
				console.log('测试');
			}
			
			
			fn();
			// new fn();  //TypeError: fn is not a constructor(构造器)
			
			
			
		</script>
	</body>
</html>
